Home / 48,130.61-72,055.17-28,078.79

Finding the Fourth Proportional to 48,130.61, 72,055.17 and 28,078.79

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Solution

The fourth proportional to 48,130.61, 72,055.17 and 28,078.79 is: 42,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.61 : 72,055.17 = 28,078.79 : x
  2. Step 2: Convert to fraction form
    48,130.61/72,055.17 = 28,078.79/x
  3. Step 3: Cross multiply
    48,130.61x = 72,055.17 × 28,078.79
  4. Step 4: Simplify right side
    48,130.61x = 2,023,221,986.84
  5. Step 5: Solve for x
    x = 2,023,221,986.84/48,130.61
  6. Step 6: Final answer
    x = 42,036.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.